linux-kernel - [PATCH 02/18] uprobes: use mm_counter_file

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Message-ID: <20231103140119.2306578-3-wangkefeng.wang@huawei.com>
Date:   Fri, 3 Nov 2023 22:01:03 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
CC:     <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
        Matthew Wilcox <willy@...radead.org>,
        David Hildenbrand <david@...hat.com>,
        <linux-s390@...r.kernel.org>,
        Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: [PATCH 02/18] uprobes: use mm_counter_file_folio()

Use mm_counter_file_folio() to save one compound_head() call.

Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 kernel/events/uprobes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index 435aac1d8c27..e2d3c89cc524 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -188,7 +188,7 @@ static int __replace_page(struct vm_area_struct *vma, unsigned long addr,
 		dec_mm_counter(mm, MM_ANONPAGES);
 
 	if (!folio_test_anon(old_folio)) {
-		dec_mm_counter(mm, mm_counter_file(old_page));
+		dec_mm_counter(mm, mm_counter_file_folio(old_folio));
 		inc_mm_counter(mm, MM_ANONPAGES);
 	}
 
-- 
2.27.0